$595.00 USD
$595.00 USD












































The Valvetronic Designs Valved Exhaust System for the BMW G30 530i and 540i delivers the perfect balance of performance, refinement, and aggressive sound. Crafted from T304 stainless steel for maximum durability and corrosion resistance, this system transforms your G30 into a more engaging, responsive, and sonorous driving experience—without compromising everyday usability.
Valves Open: Raw, unfiltered tone with pronounced turbo spool, sharp overrun, and an aggressive note that carries from idle to redline.
Valves Closed: Quiet, composed, and comfortable—perfect for commuting, city driving, or early-morning starts.
Dual Actuated Valves: Over 15 dB of sound difference between open and closed positions, giving you complete control over your car’s personality at the touch of a button.
3.5" Midpipe with Dual 3" Runs: Optimized for maximum flow, reduced backpressure, and improved exhaust scavenging.
Enhanced Throttle Response: Noticeable gains in engine responsiveness and driving dynamics.
Precision Fitment: Designed for seamless integration with OEM mounting points for an easy, direct bolt-on installation.
2017+ BMW G30 530i
2017+ BMW G30 540i
Note: For vehicles without factory M Sport, an OEM or aftermarket M Sport rear diffuser—or modification to the stock diffuser—will be required for quad tip clearance.
Constructed from T304 stainless steel
3.5" midpipe for maximum sound and flow
Dual actuated valves with standalone valve controller
12.5 lbs lighter than the factory exhaust
Fully mandrel-bent for optimal flow
Precision TIG welds for high strength
100% reversible—return to stock at any time
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.